(3GdJPcQI ai CMhGd GdehJi h GehQ GdBNQI (B/ s - (3GdbQWHi (B: (3eMeO Hf GMeO (B: s (3J(B. 1273s ((3GdbGgQI (B: s (3OGQ GdQjGf ddJQGK (B: s, 1987)
Keywords: (3GdMjGI GdGNQis -- (3GdGYeGd GdGhdjI MJi (B1800s; (3GdbjGeI (B: (3jhes; (3GdehJs -- (3GSdGes